Compatible Holmes Humidifier HWF72 Filter Holmes 3600 Filter Replacement Air - 6-Pack HWF75,

Replacement Holmes 3600 Humidifier Filter - Quantity, 6 Replaces Holmes HWF75, HWF72 Air Filter Traps Impurities & Dissolved Solids Before They Become Airborne For best results, change air filter at least once per season or more often depending on air quality and use. Essential for Allergy Sufferers.